I connect hardware, software and AI into solutions that solve real problems — secure, offline-capable and tailored to your business.
What I work with — and what I stand for
My background is in industrial mechatronics and process optimization — where systems have to work reliably, every single day. Today I combine that deep hardware and systems understanding with modern software architecture.
I don't just write code — I build bridges between physical networks (Raspberry Pi, PLC/TIA Portal) and scalable cloud and offline infrastructures. That's how solutions emerge that hold up in real-world operation.
Every engagement starts with your pain point, not my technology. Here are the most common ones — and how I solve them.
You know AI and automation will transform your business — but not where to start.
An honest analysis, on equal footing: together we find the processes that are truly worth it — no buzzwords, no overselling.
Off-the-shelf software forces someone else's workflows on you — and costs licensing fees month after month.
Tailored web apps that map your workflow exactly — from quoting to workshop management.
Send sensitive data to someone else's cloud? For many industries, an absolute no-go.
I set up local AI servers on your premises — your data never leaves the building, and there is no transfer that would need justifying.
Modern AI agents could speed up your team enormously — but which one fits, and how do you set it up safely? A jungle.
I work with AI agents every day and set up the right one for your team — for example one that pre-sorts emails or drafts quotes. Which tool sits behind it is my job — you get it securely configured, with hands-on onboarding.
A large digital project needs someone who keeps a lasting grip on both the technology and the delivery.
I accompany larger initiatives continuously — from architecture through development to ongoing operation.
100% remote possible — with modern tools we solve everything from a distance.
Karlsruhe region: happy to come by in person — hardware installations happen on site at your place anyway.
So you know what league we are playing in before you get in touch: these are the three situations businesses come to me with most often — with honest starting prices.
Paper job sheets, scraps of paper for time tracking — and two evenings of invoicing at the end of every month.
Your own operations app: job, time tracking, parts and invoice in one continuous flow. Offline-capable, so it works even with poor Wi-Fi in the workshop.
Rented software costs around €120 a month for five seats — over €7,000 in five years, and none of it ever belongs to you.
The website is years out of date, loads slowly — or there simply is none. And the site builder looks like a thousand others.
A fast website that belongs to you and gets found in your region: a solid Google foundation, quick loading, multilingual if you need it — no monthly builder subscription.
A builder looks cheaper: about €20 a month. But add your evenings, a design like a thousand others — and after five years you still own nothing. This very page is the example: self-owned, loads in under a second, no cookie banner.
Typing data by hand from one system into the next, sorting receipts, writing the same emails over and over.
Automated workflows (n8n and friends) — and AI exactly where fixed rules stop being enough. Fully local on request.
Three people × 45 minutes of routine work per day adds up to roughly 500 hours a year.
Local AI servers: setup on existing hardware from €2,500, GPU workstation including hardware from €6,000. Ongoing support with a fixed response time from €190 a month — optional, your software runs without it: you pay for on-call availability and further development, cancel any time, the software stays yours.
Every project is quoted individually. After the free initial consultation you receive a written fixed-price offer — with no recurring licence fees for software that is yours.
Free initial consultationReal systems, real results. A closer look at three projects in detail — and more from practice.
AI-powered GDPR & security scanner for n8n workflows
Manually auditing automations for GDPR compliance is slow, requires rare expert know-how — and mistakes can mean costly fines.
A "first-aid scanner": upload an n8n workflow as JSON, an AI agent checks structure, data minimization and security gaps and delivers a clear report — with zero data retention.
Hours of manual review become under 60 seconds.
🔧 Current job
Workshop jobs (Available: 2)
🚗 Vehicles
📅 Calendar
Workshop management with AI document capture
Workshops lose time on paper work orders, manual time tracking and error-prone billing.
A vehicle-centric PWA: photograph the registration document, the AI extracts all the data (OCR runs locally or via Google Gemini — depending on your privacy requirements), mechanic and office collaborate in real time — even offline. The invoice is generated automatically from the work order.
From document capture to invoice — one seamless, digital flow. First workshop in rollout: CarTechFuture in Tokod.
Open the live systemlogin required
Website for a car repair shop — from first draft to handover
A well-running business with no digital calling card: new customers could barely find the workshop online, and every question about services or prices had to be answered on the phone.
A fast, mobile-optimised website with a clear list of services and prices, a dedicated section for company fleets and a direct call button — loaded in under a second.
One business, two systems: after the website, the Cartech App follows in the same shop.
Fast, cleanly executed work — every single request of mine was met.
Provisionsaufteilung
B2B finance portal with automatic commission splitting
Three partners of an agency reconciled commissions and project budgets laboriously by hand — error-prone and opaque.
A collaborative portal that automatically splits every transaction by a configurable key, shows liquidity KPIs and calculates project budgets live. The split engine is safeguarded with test-driven development.
No more manual reconciliation — transparent numbers in real time.
Event-driven architecture with n8n and Raspberry Pi: Wake-on-LAN, SSH inference and polling logic orchestrate the models on demand.
Supabase database with automated webhooks: leads are enriched via n8n and AI and synced with the CRM.
Full-stack PWA with a real-time database for shared to-do lists, appointment sync and role-based tasks.
On site in the Karlsruhe region or fully remote — your choice. Four steps from idea to running solution.
We clarify your goal and whether I'm the right partner. Free and non-binding, via video.
I analyze your processes and deliver a clear, prioritized plan — including effort estimates.
Development in short iterations. You see the progress at any time and give feedback.
Handover, training and — on request — ongoing support with a fixed response time.
Before the project starts you receive a written offer including contract and data-processing agreement (DPA/AVV) — with an NDA on request.
Every project is documented from day one so another developer can take over: source code, architecture docs and all admin access live with you. You are never dependent on me — that is part of my quality promise.
You do. Entirely. At project close you receive the full source code, documentation and every credential. No vendor lock-in, no hidden dependencies.
Preferably in Germany or the EU (German hosting, EU regions for cloud databases). Local AI systems run entirely on your premises — that is what they are built for.
On request we sign a support agreement with a fixed response time. Small changes, updates and monitoring — plannable and in writing.
Yes. Migrating existing data (Excel, legacy software, databases) is part of the project — your history is not lost.
In the Karlsruhe region: gladly. Hardware installations happen at your site anyway. Everything else we solve efficiently remotely — your choice.
So you know the ballpark: a website starts at around €1,900, a first production automation at around €1,200, your own operations app at around €6,500. A local AI server ranges from about €2,500 (setup on existing hardware) to about €6,000 (GPU workstation including hardware). Every project is quoted individually — after the free initial consultation you receive a written fixed-price offer, with no recurring licence fees for software that is yours.
Want to understand before you talk? Fair enough. This guide hands you 14 pages of practical knowledge — no sign-up, no newsletter, no sales call.
Sharing it inside your company is explicitly encouraged — use the data traffic light as a template for your internal AI ground rules.
Whether it's secure offline AI, a tailored app or an automation that gives you time back — briefly outline what you need. The initial consultation is free and non-binding.
or directly by email: mail@norbert-madarasz.dePrefer a phone call? Request a callback — I usually get back to you within one business day.
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